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N.m.r. investigation of low-rank coal lithotypes pretreated with NaH
D. Velinova, L. Lazarov, G. AngelovaVolume:
72
Year:
1993
Language:
english
Pages:
6
DOI:
10.1016/0016-2361(93)90298-g
File:
PDF, 628 KB
english, 1993